<script language="javascript">
function submit_oa_sz_add(cg_id,bitian,nr_type,nr)
{
if(bitian==1)//当为必填项时
{
var ids = document.getElementById("sznr_"+cg_id);
if(nr_type=="多选")
{
var ids_f = document.getElementsByName("sznr_"+cg_id+"[]");
var checkNum_f = 0;
for (var i = 0; i < ids_f.length; i++) {
if (ids_f[i].checked) {
checkNum_f++;
}
}
if(checkNum_f==0)
{
alert(nr+"为必选项,请选择"+nr+"!");
return false;
}
}
else if(nr_type=="单选"){
var ids_d = document.getElementsByName("sznr_"+cg_id);
var checkNum_d = 0;
for (var i = 0; i < ids_d.length; i++) {
if (ids_d[i].checked) {
checkNum_d++;
}
}
if(checkNum_d==0)
{
alert(nr+"为必选项,请选择"+nr+"!");
return false;
}
}
else{
if(ids.value=='')
{
alert(nr+"为必填项,不能为空!");
$("input[name=sznr_"+cg_id+"]").focus();
return false;
}
}
}
return true;
}
</script>
<form action="?act=add_update" enctype="multipart/form-data" method="post" name="frm" id="frm" onsubmit="return submit_oa_sz_add({$cg.cg_id},{$cg.bitian},'{$cg.nr_type}','{$cg.nr}');">
<tr>
<td width="29%" height="80" align="center" class="biankuan3"><span class="STYLE3">*</span> 文本测试(必填)</td>
<td colspan="2" align="left" class="biankuan10" style="font-size: 16px;">
<input type="text" name="sznr_1739" id="sznr_1739" class="style5" />
</td>
</tr>
<tr>
<td width="29%" height="80" align="center" class="biankuan3"><span class="STYLE3">*</span> 多行文本测试(必填)</td>
<td colspan="2" align="left" class="biankuan10" style="font-size: 16px;">
<textarea name='sznr_'.1740.'' id='sznr_'.1740.'' cols='60' rows='5'></textarea>
</td>
</tr>
..................这个后面还有很多需要填写的文本
请问怎么用JS判断循环的文本有没有填写内容?
</form>
请问怎么用JS判断循环的文本有没有填写内容?